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How to delete from multiple tables in MySQL?
...nd filter on indices? 15k x 15k x 15k x 15k 15k x 15k is 11 million. Did a SELECT take similarly long?
– Paul Draper
May 22 '14 at 20:07
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How to run a C# console application with the console hidden
... our form is called when the user right clicks on the system tray icon and selects preferences. THIS IS THE RIGHT ANSWER!!!
– Bluebaron
Jul 4 '15 at 0:31
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What is an Endpoint?
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So unfortunate that OP didn't select this answer, which is the best answer.
– user9724045
Nov 7 '19 at 22:26
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Find mouse position relative to element
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Should avoid using $('selector') in an event handler, unless you want very sluggish code. Pre-select your element, and use the preselected reference in your handler. Same for $(window) do that once and cache it.
– Austin Fr...
Giving UIView rounded corners
...ayer];
[maskLayer release];
}
The cool part about it is that you can select which corners you want rounded up.
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How do I import a namespace in Razor View Page?
... correct way. Not the Using statement at top of Razor page like in the OP selected answer....
– Tom Stickel
Aug 3 '15 at 20:55
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Message 'src refspec master does not match any' when pushing commits in Git
...been added. git add --all in case you wish to add all the files Or you can selectively add files. Then git commit -m "Initial comment", git push origin master. This will surely work.
– Bhanu Pratap Singh
May 20 '15 at 7:57
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How do you remove Subversion control for a folder?
...n that folder for .svn and that will list them all. Pressing Ctrl + A will select all of them and pressing delete will remove all the 'pesky' Subversion stuff.
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psql: FATAL: database “” does not exist
...euser --interactive
When prompted for role name, enter linux username, and select Yes to superuser question.
Still logged in as postgres user, create a database: createdb <username_from_step_3>
Confirm error(s) are gone by entering: psql at the command prompt.
Output should show psql (x.x.x) T...
pandas: filter rows of DataFrame with operator chaining
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Since version 0.18.1 the .loc method accepts a callable for selection. Together with lambda functions you can create very flexible chainable filters:
import numpy as np
import pandas as pd
df = pd.DataFrame(np.random.randint(0,100,size=(100, 4)), columns=list('ABCD'))
df.loc[lambda ...